This circuit generates sinusoidal signals that depend on the input oscillator. The circuit is from a Radio Elecrtronics from April 1988. The signals are in the range of a few hundred kilohertz.
A high-frequency square wave oscillator using an LC-tuned circuit is shown here. The upper...
This circuit, which appears from other sources on this site, converts a voltage into a current....
This circuit was found in an American 1980s documentation. Equivalent operational amplifiers can be...